Ceiling fan



FIG. 1 is a front top perspective view of a ceiling fan showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front bottom perspective view thereof.

The broken lines shown in the drawings illustrate portions of the ceiling fan and form no part of the claimed design. 

CLAIM The ornamental design for a ceiling fan, as shown and described. 